Triangle (read by rows) in which the number of entries in a row only increases by 1 every other row, the first column and the 'diagonal' is set to all 1's and a(i,j) = a(i-1,j) + a(i-1,j-1) + a(i-2,j-1) + a(i-3,j-1) for other entries.
A096966
Triangle (read by rows) in which the number of entries in a row only increases by 1 every other row, the first column and the 'diagonal' is set to all 1's and a(i,j) = a(i-1,j) + a(i-1,j-1) + a(i-2,j-1) + a(i-3,j-1) for other entries.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =4a(6) =1a(7) =7a(8) =1a(9) =1a(10) =10a(11) =13a(12) =1a(13) =13a(14) =34a(15) =1a(16) =1a(17) =16a(18) =64a(19) =49a(20) =1a(21) =19a(22) =103a(23) =160a(24) =1a(25) =1a(26) =22a(27) =151a(28) =361a(29) =211
External references
- oeis: A096966